Active NPI
Wilfried Leder, M.D.
- Hematology & Oncology Physician
- Cincinnati, OH
National Provider Identifier
1891781811
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- 32667
- Practice address
- 2727 Madison Rd
Suite 400
Cincinnati, OH 45209-2276 - Phone
- (513) 321-4333
- Fax
- (513) 533-6033
- NPI assigned
- Sep 26, 2005
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | 32667 | OH | Primary |
Addresses
Primary practice location
2727 Madison Rd
Suite 400
Cincinnati, OH 45209-2276
Mailing address
2727 Madison Rd
Suite 400
Cincinnati, OH 45209-2276
Phone (513) 321-4333
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0179462 | Medicaid | OH |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 32667 | OH | MD | Hematology & Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cincinnati Hematology Oncology Inc | Past | Accepting new patients |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Specialist
- Cincinnati, OH
- NPI 1003943721
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1127692800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1891781811",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2727 MADISON RD",
"address_2": "SUITE 400",
"city": "CINCINNATI",
"state": "OH",
"postal_code": "452092276",
"telephone_number": "513-321-4333",
"fax_number": "513-533-6033"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2727 MADISON RD",
"address_2": "SUITE 400",
"city": "CINCINNATI",
"state": "OH",
"postal_code": "452092276",
"telephone_number": "513-321-4333",
"fax_number": "513-533-6033"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LEDER",
"first_name": "WILFRIED",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-09-26",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "OH",
"license": "32667",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "0179462",
"state": "OH"
}
],
"endpoints": [],
"other_names": []
}Other providers in Cincinnati, OH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.